/*
 * The contents of this web application are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this web application except in compliance with 
 * the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
 * for the specific language governing rights and limitations under the License.
 * 
 * The Original Code is owned by and the Initial Developer of the Original Code is 
 * Composite A/S (Danish business reg.no. 21744409). All Rights Reserved
 * 
 * Section 11 of the License is EXPRESSLY amended to include a provision stating 
 * that any dispute, including but not limited to disputes related to the enforcement 
 * of the License, to which Composite A/S as owner of the Original Code, as Initial 
 * Developer or in any other role, becomes a part to shall be governed by Danish law 
 * and be initiated before the Copenhagen City Court ("K�benhavns Byret")            
 */

/**
 * @class
 * Image provider.
 */
function _ImageProvider () {}

_ImageProvider.prototype = {

	/**
	 * @type {SystemLogger}
	 */
	_logger : SystemLogger.getLogger ( "ImageProvider" ),
		
	/**
	 * Service URL.
	 */
	SERVICE_URL : "services/Icon/GetIcon.ashx",
	
	/**
	 * Default icon provider.
	 */
	UI : "Composite.Icons",
	
	/**
	 * @param {object} object
	 */
	getImageURL: function (object, size) {

		var hash = object.ResourceNamespace;
		var name = object.ResourceName;
		if (hash === this.UI) {
			return name;
		} else {
			var result = null;
			var url = Constants.APPROOT + "/" + this.SERVICE_URL + "?resourceName=${name}&resourceNamespace=${hash}&size=${size}";

			size = size ? size : "DEFAULT";

			if (name != null && hash != null) {
				result = url
					.replace("${name}", name)
					.replace("${hash}", hash)
					.replace("${size}", size);
				if (size == "DEFAULT") {
					result = result.split("&size=DEFAULT")[0];
				}
			} else {
				throw "Could not compute image URL.";
			}
			return result;
		}
		
	}
}

/**
 * The instance that does it.
 */
var ImageProvider = new _ImageProvider ();